Tennessee · county areal climate 1951–2025

Sullivan County, TN

A 56.7°F / 45.7" normal · 2025 ran +0°F vs normal.
2026 so far · through Jul 10: This area is running +1.3°F (55.4°F) vs the 1996–2025 to-date normal — the 8th warmest start of 76 years. Precipitation 87% of normal. U.S. year-to-date →

Normal (1996–2025)

56.7°F
annual mean · 45.7" precipitation

2025 vs Normal

+0°F
56.7°F · 44.4" (97% of normal)

Warmest Year

58.4°F
2024 · coldest 53.6°F (1963)

Wettest Year

60.9in
2003 · driest 28.9" (2007)

Hottest Day

101.7°F
Jun 30 · 2012

Coldest Day

-15.9°F
Jan 22 · 1985

Biggest Rain Day

3.1in
Mar 12 · 1963

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

36°
J
41°
F
48°
M
56°
A
64°
M
72°
J
75°
J
74°
A
69°
S
58°
O
47°
N
40°
D
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Areal nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the station records.

Nearby

← All Tennessee countiesU.S. overview
Coldest Since · Browse all states · See where it's hottest → hottestsince.com
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-13 14:12Z
© 2026 Weather Trader · All rights reserved